--- a/pointer_longjump.c	Tue Nov 12 11:32:39 2013 +0900
+++ b/pointer_longjump.c	Tue Nov 12 13:06:35 2013 +0900
@@ -2,32 +2,33 @@
 #include <setjmp.h>
 #include <stdlib.h>
 
-int retval;
-__code code1(int n,void *__return,void *__enviroment){
-  void(*ret)(int,void *);
+__code code1(int n,void *__return,void *__enviroment,int *__ret_p){
+  void(*ret)(int,void *,int *);
   printf("code1\n");
-  ret = (void(*)(int,void *))__return;
-  ret(n,__enviroment);
+  ret = (void(*)(int,void *,int *))__return;
+  ret(n,__enviroment,__ret_p);
 }
 
-void *return1 (int n,void* env){
+void *return1 (int n,void* env,int* __ret_p){
   printf("return1\n");
-  retval = n;
+  *__ret_p = n;
   longjmp(*(jmp_buf*)env,1);
 }
 
 int main1 (){
   void *__return;
   void *__enviroment;
+  int *__ret_p;
   printf("main1 entry\n");
   __enviroment = (void*)malloc(sizeof(jmp_buf));
+  __ret_p = (int*)malloc(sizeof(int));
   if (setjmp(__enviroment)){
     free(__enviroment);
     printf("main1 return\n");
-    return retval;
+    return *__ret_p;
   }
   __return = (void*)return1;
-  goto code1(30,__return,__enviroment);
+  goto code1(30,__return,__enviroment,__ret_p);
   return 0;
 }